{"product_id":"brass-round-tube-od-6mm-45mm-2mm-wall-500mm","title":"Brass Round Tube — OD 6mm to 45mm, 2mm Wall Thickness, 500mm Length","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right brass tube size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the outer diameter (OD) of the space or fitting you need to fill, then subtract twice the wall thickness (2mm) to get the inner diameter (ID). For example, if you need an ID of 6mm, select the 8mm x 4mm variant. All variants in this listing have a fixed 2mm wall thickness.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the inner diameter (ID) for each size?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Because wall thickness is fixed at 2mm, the ID is always OD minus 4mm. For example: OD 10mm → ID 6mm; OD 20mm → ID 16mm; OD 40mm → ID 36mm. Each variant listing shows both OD and ID clearly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How strong is a 2mm wall brass tube?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass tubing with a 2mm wall is generally suitable for light-to-medium structural, decorative, and fluid-carrying applications. Exact load capacity depends on the OD and application. For high-pressure or heavy structural use, consult an engineer.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this brass tube be used outdoors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Brass has naturally good corrosion resistance and performs well in most outdoor environments. However, in highly saline or acidic conditions, a protective coating or sealant is generally recommended to extend service life.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tube compatible with standard plumbing or compression fittings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These tubes use metric OD dimensions. Compatibility with compression fittings depends on the fitting brand and standard. In most cases, metric compression fittings rated for the matching OD will fit. Always verify the OD and wall thickness against your fitting specifications before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I cut or solder this brass tube?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Brass is easy to cut with a pipe cutter, hacksaw, or milling machine, and it solders and brazes readily with standard flux and solder. It can also be threaded, drilled, and bent with appropriate tooling.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What alloy grade is this brass tube?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The tubes are made from standard brass alloy (typically a copper-zinc composition). Specific alloy grade (e.g., C26000 \/ CW508L) is not confirmed for this listing — contact us if you require a certified grade for engineering applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How long is each tube and can I order a custom length?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Each tube is 500mm (≈19.7 inches) long. Custom lengths are not available through this listing. If you need a different length, contact us before ordering.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eBrass Round Tube — Precise Hollow Tubing for DIY, Craft \u0026amp; Engineering Projects\u003c\/h2\u003e\n    \u003cp\u003eFinding a brass round tube in exactly the right diameter shouldn't mean sifting through bulk industrial catalogs. Whether you're a hobbyist building a model, a tradesperson fabricating a custom fitting, or a maker working on a furniture or lamp project, having the right hollow brass tube on hand makes all the difference. This listing offers 31 carefully sized variants so you can match the exact OD and ID your project demands.\u003c\/p\u003e\n    \u003cp\u003eEach tube is machined from solid brass stock and measures \u003cstrong\u003e500mm (≈19.7\")\u003c\/strong\u003e in length with a fixed \u003cstrong\u003e2mm wall thickness\u003c\/strong\u003e. Outer diameters range from \u003cstrong\u003e6mm (≈1\/4\")\u003c\/strong\u003e to \u003cstrong\u003e45mm (≈1-3\/4\")\u003c\/strong\u003e, with inner diameters always equal to OD minus 4mm — for example, the 10mm OD variant has a 6mm ID, and the 25mm OD variant has a 21mm ID. All sizes are sold individually per piece.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include decorative railing inserts and balusters, model engineering and scale fabrication, custom lamp and furniture hardware, fluid-line prototyping, and sleeve bushings for light mechanical assemblies — all applications where a \u003cstrong\u003emetric brass hollow tube\u003c\/strong\u003e with consistent wall thickness is essential.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e\n    \u003cstrong\u003eSizing note:\u003c\/strong\u003e Wall thickness is fixed at \u003cstrong\u003e2mm\u003c\/strong\u003e across all variants. Inner diameter = OD − 4mm. Select your variant by the OD × ID label (e.g., \"10mm × 6mm\"). Verify dimensions against your fitting or drawing before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Brass Round Hollow Tubes\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e31 Metric Sizes in One Listing\u003c\/strong\u003e — OD range from 6mm to 45mm lets you find the exact \u003cstrong\u003emetric brass tube size\u003c\/strong\u003e without ordering from multiple suppliers.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eConsistent 2mm Wall Thickness\u003c\/strong\u003e — Uniform wall across all variants ensures predictable ID calculation and reliable fit in \u003cstrong\u003ebrass tube sleeve and bushing\u003c\/strong\u003e applications.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMachinable \u0026amp; Solderable\u003c\/strong\u003e — Brass cuts cleanly with a pipe cutter or hacksaw, threads easily, and solders with standard flux — ideal for \u003cstrong\u003eDIY brass pipe fabrication\u003c\/strong\u003e and custom fittings.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eNatural Corrosion Resistance\u003c\/strong\u003e — Brass resists oxidation and performs well in humid and mildly corrosive environments, making it suitable for both indoor and sheltered outdoor use.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSmooth Exterior Finish\u003c\/strong\u003e — The drawn finish provides a clean, bright surface that accepts polishing, lacquering, or patination for decorative \u003cstrong\u003ebrass tubing craft and model projects\u003c\/strong\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e500mm Ready-to-Use Length\u003c\/strong\u003e — At 500mm (≈19.7\") per piece, each tube is long enough for most project spans and easy to cut down to shorter sections without waste.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Brass Hollow Round Tube\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass (copper-zinc alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound hollow tube\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD) Range\u003c\/th\u003e\n\u003ctd\u003e6mm (≈1\/4\") to 45mm (≈1-3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness\u003c\/th\u003e\n\u003ctd\u003e2mm (fixed across all variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInner Diameter (ID)\u003c\/th\u003e\n\u003ctd\u003eOD − 4mm (e.g., OD 20mm → ID 16mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e500mm (≈19.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Sizes (OD × ID)\u003c\/th\u003e\n\u003ctd\u003e6×2, 7×3, 8×4, 9×5, 10×6, 11×7, 12×8, 13×9, 14×10, 15×11, 16×12, 17×13, 18×14, 19×15, 20×16, 21×17, 22×18, 23×19, 24×20, 25×21, 26×22, 27×23, 28×24, 29×25, 30×26, 32×28, 35×31, 38×34, 40×36, 42×38, 45×41 (all in mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece per variant selected\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eDrawn \/ bright (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAlloy Grade\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Manufacture\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eConfirm before ordering:\u003c\/strong\u003e If your application requires a certified alloy grade (e.g., C26000, CW508L) or specific tolerances, please contact us before purchasing. Dimensions shown are nominal; actual tolerances follow standard drawn-tube manufacturing ranges.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right brass tube size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the outer diameter (OD) of the space or fitting you need to fill, then subtract twice the wall thickness (2mm) to get the inner diameter (ID). For example, if you need an ID of 6mm, select the \u003cstrong\u003e8mm × 4mm\u003c\/strong\u003e variant. All variants in this listing have a fixed 2mm wall thickness, so the formula is always: \u003cstrong\u003eID = OD − 4mm\u003c\/strong\u003e.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the inner diameter (ID) for each size?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eBecause wall thickness is fixed at 2mm, the ID is always OD minus 4mm. A few examples: OD 10mm → ID 6mm (≈0.24\"); OD 20mm → ID 16mm (≈0.63\"); OD 40mm → ID 36mm (≈1.42\"). Each variant label in the size selector shows both OD and ID clearly.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow strong is a 2mm wall brass tube?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA 2mm wall brass tube is generally suitable for light-to-medium structural, decorative, and fluid-carrying applications. Exact load capacity depends on the OD, alloy grade, and how the tube is supported. For high-pressure or heavy structural use, we recommend consulting a mechanical engineer and specifying a certified alloy grade.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this brass tube be used outdoors?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eBrass has naturally good corrosion resistance and performs well in most outdoor environments. In highly saline coastal areas or acidic conditions, a clear lacquer or protective coating is generally recommended to extend service life and maintain appearance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tube compatible with standard plumbing or compression fittings?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese tubes use metric OD dimensions. In most cases, metric compression fittings rated for the matching OD will fit. Always verify the OD and wall thickness against your fitting specifications before ordering, as fitting tolerances vary by brand and standard (e.g., DIN, BS, or JIS).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I cut, solder, or thread this brass tube?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Brass is easy to cut with a pipe cutter, hacksaw, or milling machine. It solders and brazes readily with standard flux and solder, and can be threaded, drilled, and bent with appropriate tooling. The 2mm wall provides enough material for light threading on larger OD variants.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat alloy grade is this brass tube?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe tubes are made from standard brass alloy (typically a copper-zinc composition). A specific certified alloy grade (e.g., C26000 \/ CW508L) is not confirmed for this listing. If you require a certified grade for engineering or compliance purposes, please contact us before ordering.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I order a custom length other than 500mm?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eEach tube in this listing is 500mm (≈19.7\") long. Custom lengths are not available through this listing. If you need a different length, contact us before ordering and we will advise on availability.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003esize (OD × ID)\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"6mm x 2mm \/ 2mm \/ 500mm","offer_id":52332704170258,"sku":"AdaahDZ34538x1","price":42.64,"currency_code":"USD","in_stock":true},{"title":"7mm x 3mm \/ 2mm \/ 500mm","offer_id":52332704203026,"sku":"AdaahDZ34550x1","price":46.09,"currency_code":"USD","in_stock":true},{"title":"8mm x 4mm \/ 2mm \/ 500mm","offer_id":52332704235794,"sku":"AdaahDZ34566x1","price":45.41,"currency_code":"USD","in_stock":true},{"title":"9mm x 5mm \/ 2mm \/ 500mm","offer_id":52332704268562,"sku":"AdaahDZ34575x1","price":48.81,"currency_code":"USD","in_stock":true},{"title":"10mm x 6mm \/ 2mm \/ 500mm","offer_id":52332704301330,"sku":"AdaahDZ34590x1","price":50.58,"currency_code":"USD","in_stock":true},{"title":"11mm x 7mm \/ 2mm \/ 500mm","offer_id":52332704334098,"sku":"AdaahDZ34596x1","price":54.47,"currency_code":"USD","in_stock":true},{"title":"12mm x 8mm \/ 2mm \/ 500mm","offer_id":52332704366866,"sku":"AdaahDZ34606x1","price":57.87,"currency_code":"USD","in_stock":true},{"title":"13mm x 9mm \/ 2mm \/ 500mm","offer_id":52332704399634,"sku":"AdaahDZ34611x1","price":63.36,"currency_code":"USD","in_stock":true},{"title":"14mm x 10mm \/ 2mm \/ 500mm","offer_id":52332704432402,"sku":"AdaahDZ34619x1","price":62.49,"currency_code":"USD","in_stock":true},{"title":"15mm x 11mm \/ 2mm \/ 500mm","offer_id":52332704465170,"sku":"AdaahDZ34628x1","price":66.44,"currency_code":"USD","in_stock":true},{"title":"16mm x 12mm \/ 2mm \/ 500mm","offer_id":52332704497938,"sku":"AdaahDZ34633x1","price":69.16,"currency_code":"USD","in_stock":true},{"title":"17mm x 13mm \/ 2mm \/ 500mm","offer_id":52332704530706,"sku":"AdaahDZ34638x1","price":72.01,"currency_code":"USD","in_stock":true},{"title":"18mm x 14mm \/ 2mm \/ 500mm","offer_id":52332704563474,"sku":"AdaahDZ34642x1","price":74.46,"currency_code":"USD","in_stock":true},{"title":"19mm x 15mm \/ 2mm \/ 500mm","offer_id":52332704596242,"sku":"AdaahDZ34647x1","price":79.22,"currency_code":"USD","in_stock":true},{"title":"20mm x 16mm \/ 2mm \/ 500mm","offer_id":52332704629010,"sku":"AdaahDZ34650x1","price":76.69,"currency_code":"USD","in_stock":true},{"title":"21mm x 17mm \/ 2mm \/ 500mm","offer_id":52332704661778,"sku":"AdaahDZ34656x1","price":79.68,"currency_code":"USD","in_stock":true},{"title":"22mm x 18mm \/ 2mm \/ 500mm","offer_id":52332704694546,"sku":"AdaahDZ34660x1","price":82.13,"currency_code":"USD","in_stock":true},{"title":"23mm x 19mm \/ 2mm \/ 500mm","offer_id":52332704727314,"sku":"AdaahDZ34665x1","price":84.93,"currency_code":"USD","in_stock":true},{"title":"24mm x 20mm \/ 2mm \/ 500mm","offer_id":52332704760082,"sku":"AdaahDZ34669x1","price":86.75,"currency_code":"USD","in_stock":true},{"title":"25mm x 21mm \/ 2mm \/ 500mm","offer_id":52332704792850,"sku":"AdaahDZ34673x1","price":90.29,"currency_code":"USD","in_stock":true},{"title":"26mm x 22mm \/ 2mm \/ 500mm","offer_id":52332704825618,"sku":"AdaahDZ34678x1","price":93.01,"currency_code":"USD","in_stock":true},{"title":"27mm x 23mm \/ 2mm \/ 500mm","offer_id":52332704858386,"sku":"AdaahDZ34682x1","price":95.68,"currency_code":"USD","in_stock":true},{"title":"28mm x 24mm \/ 2mm \/ 500mm","offer_id":52332704891154,"sku":"AdaahDZ34685x1","price":98.67,"currency_code":"USD","in_stock":true},{"title":"29mm x 25mm \/ 2mm \/ 500mm","offer_id":52332704923922,"sku":"AdaahDZ34689x1","price":100.76,"currency_code":"USD","in_stock":true},{"title":"30mm x 26mm \/ 2mm \/ 500mm","offer_id":52332704956690,"sku":"AdaahDZ34692x1","price":101.99,"currency_code":"USD","in_stock":true},{"title":"32mm x 28mm \/ 2mm \/ 500mm","offer_id":52332704989458,"sku":"AdaahDZ34696x1","price":108.51,"currency_code":"USD","in_stock":true},{"title":"35mm x 31mm \/ 2mm \/ 500mm","offer_id":52332705022226,"sku":"AdaahDZ34700x1","price":117.3,"currency_code":"USD","in_stock":true},{"title":"38mm x 34mm \/ 2mm \/ 500mm","offer_id":52332705054994,"sku":"AdaahDZ34705x1","price":125.6,"currency_code":"USD","in_stock":true},{"title":"40mm x 36mm \/ 2mm \/ 500mm","offer_id":52332705087762,"sku":"AdaahDZ34708x1","price":131.31,"currency_code":"USD","in_stock":true},{"title":"42mm x 38mm \/ 2mm \/ 500mm","offer_id":52332705120530,"sku":"AdaahDZ34712x1","price":141.24,"currency_code":"USD","in_stock":true},{"title":"45mm x 41mm \/ 2mm \/ 500mm","offer_id":52332705153298,"sku":"AdaahDZ34715x1","price":144.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture11of11_34bb379f-ec9c-46f0-9b69-645701c16a43.jpg?v=1781104864","url":"https:\/\/homediyer.com\/products\/brass-round-tube-od-6mm-45mm-2mm-wall-500mm","provider":"HomeDIYer","version":"1.0","type":"link"}